{"title":"Air Compressors","description":"\u003cp\u003eDiscover premium air compressors designed for jewelry making and engraving. Our silent, oil-free models deliver reliable performance with minimal noise disruption. From compact 1\/2 HP units to heavy-duty 1 HP systems with generous tank capacity, find the perfect balance of power and efficiency for your workshop needs.\u003c\/p\u003e","products":[{"product_id":"super-silent-50-tc-air-compressor-half-hp-0-9-gallon","title":"Super Silent 50-TC Air Compressor 1\/2 HP 0.9 Gallon Tank","description":"\u003cp\u003eThe Super Silent 50-TC is a 1\/2 HP oil-lubricated air compressor designed for quiet, reliable operation in professional jewelry and engraving environments. Running at just 40 dB, it delivers 2.0 CFM (56 liters per minute) of compressed air at a maximum 114 PSI (7.9 bar) into a 0.9-gallon tank. Automatic operation and built-in thermal overload protection make it a low-maintenance workhorse for single-apparatus use. Recommended for powering pencil bead blasters and GRS engraving systems including the Graversmith, Gravermax, Gravermate, Gravermax SC, Gravermax G-8, Gravermach, Gravermach AT, and GRS System 3. For users who frequently run multiple tools simultaneously, the larger-tank Sil-Air 50-15 or Val-Air 50-15AL may be more suitable, as their greater storage capacity reduces how often the motor must cycle.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUltra-quiet 40 dB operation — ideal for studio and bench environments\u003c\/li\u003e\n\u003cli\u003eAutomatic start\/stop operation based on tank pressure\u003c\/li\u003e\n\u003cli\u003eThermal overload protection against overheating\u003c\/li\u003e\n\u003cli\u003eRated for heavy-duty single-apparatus use\u003c\/li\u003e\n\u003cli\u003eUses specially formulated hygroscopic compressor oil to draw moisture from compressed air\u003c\/li\u003e\n\u003cli\u003eIncludes pressure regulator with built-in moisture trap and analog line pressure gauge\u003c\/li\u003e\n\u003cli\u003eCompact footprint with integrated carrying handle for portability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eSuper Silent 50-TC (M22590)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMotor Power\u003c\/th\u003e\n\u003ctd\u003e1\/2 HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTank Capacity\u003c\/th\u003e\n\u003ctd\u003e0.9 gallon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCFM Output\u003c\/th\u003e\n\u003ctd\u003e2.0 CFM free air (56 liters per minute)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Pressure\u003c\/th\u003e\n\u003ctd\u003e84–114 PSI (5.8–7.8 bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum Pressure\u003c\/th\u003e\n\u003ctd\u003e114 PSI (7.9 bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003ctd\u003e110V – 60Hz (220V – 50Hz or 220V – 60Hz available by special order)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e13.8\" D x 11\" W x 13.4\" H (350 mm x 280 mm x 340 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping Weight\u003c\/th\u003e\n\u003ctd\u003e51 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNoise Level\u003c\/th\u003e\n\u003ctd\u003e40 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003e1 year Sil-Air factory warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e0.9-gallon air tank\u003c\/li\u003e\n\u003cli\u003ePressure regulator with built-in moisture trap and analog line pressure gauge\u003c\/li\u003e\n\u003cli\u003eSafety valve\u003c\/li\u003e\n\u003cli\u003eAir intake filter\u003c\/li\u003e\n\u003cli\u003eCarrying handle\u003c\/li\u003e\n\u003cli\u003e1 liter compressor oil\u003c\/li\u003e\n\u003cli\u003e1-year Sil-Air factory warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eMaintenance:\u003c\/strong\u003e Super Silent air compressors use a specially formulated hygroscopic compressor oil that draws moisture from the air during compression. Change the oil regularly based on usage and workshop humidity — if the oil appears milky white, it has absorbed excess moisture and must be changed immediately. Check and empty the moisture trap at the output regulator whenever it is full. After each use, release compressed air from the tank to prevent condensation buildup, which can cause internal rust over time. These routine steps protect the compressor's internal components and extend the life of the tank.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43579931263190,"sku":"123.091","price":1455.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/super-silent-50-tc-air-compressor-12-hp-0-9-gallon-tank-otto-frei.jpg?v=1719958355"},{"product_id":"val-air-50-15al-super-silent-air-compressor-half-hp-4-gallon","title":"Super Silent Val-Air 50-15AL Air Compressor 1\/2 HP-4 Gallon Tank","description":"\u003cp\u003eThe \u003cstrong\u003eVal-Air 50-15AL\u003c\/strong\u003e (M-17190) is a super-silent, 1\/2 HP, 4-gallon air compressor engineered for heavy-duty professional use in engraving, stonesetting, and metalsmithing studios. Operating at a whisper-quiet \u003cstrong\u003e40 dB\u003c\/strong\u003e, it delivers consistent, clean compressed air while protecting sensitive equipment such as GRS engraving systems with its built-in coalescing filtration. Capable of powering two engraving systems simultaneously — and used at trade shows running three apparatus at once — this compressor is well suited to both single-operator benches and multi-user shops.\u003c\/p\u003e\u003cp\u003eThe Val-Air 50-15AL builds on the Sil-Air 50-15 platform with three key upgrades: an \u003cstrong\u003ealuminum pump housing with cooling fins\u003c\/strong\u003e to prevent overheating during continuous operation, an \u003cstrong\u003eauto drain with waste bottle\u003c\/strong\u003e to capture moisture from the compression process, and an \u003cstrong\u003ein-line coalescing filter rated to 0.01 micron\u003c\/strong\u003e — a requirement for protecting GRS Graversmith, Gravermax, Gravermate, Gravermax SC, Gravermax G-8, Gravermach, Gravermach AT, and GRS System 3 equipment. The 4-gallon tank features an internal paint coating to resist rust, and the unit provides automatic operation with thermal overload protection.\u003c\/p\u003e\u003cp\u003eRecommended for use with GRS engraving systems and pencil bead blasters.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSuper-silent operation at \u003cstrong\u003e40 dB\u003c\/strong\u003e — suitable for studio and trade show environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminum pump housing with cooling fins\u003c\/strong\u003e prevents overheating during heavy continuous use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto drain with waste bottle\u003c\/strong\u003e removes moisture collected during air compression automatically\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIn-line coalescing filter (0.01 micron)\u003c\/strong\u003e removes moisture and protects GRS engraving systems\u003c\/li\u003e\n\u003cli\u003eInternally painted 4-gallon tank for enhanced rust resistance\u003c\/li\u003e\n\u003cli\u003eAutomatic operation with thermal overload protection\u003c\/li\u003e\n\u003cli\u003ePressure regulator with built-in moisture trap\u003c\/li\u003e\n\u003cli\u003eAnalog line pressure gauge and tank pressure gauge included\u003c\/li\u003e\n\u003cli\u003eSafety valve and air intake filter included\u003c\/li\u003e\n\u003cli\u003eCarrying handle for portability\u003c\/li\u003e\n\u003cli\u003eCan power 2 engraving systems simultaneously\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003eM-17190\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMotor\u003c\/th\u003e\n\u003ctd\u003e1\/2 HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTank Capacity\u003c\/th\u003e\n\u003ctd\u003e4.0 gallons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCFM Rating\u003c\/th\u003e\n\u003ctd\u003e2.15 free air (60 liters per minute)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Pressure\u003c\/th\u003e\n\u003ctd\u003e84–114 PSI (5.8–7.8 bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003ctd\u003e110V – 60 Hz (220V – 50 Hz or 220V – 60 Hz by special order)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSound Level\u003c\/th\u003e\n\u003ctd\u003e40 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e13.8\" D × 13.8\" W × 21.7\" H (350 × 350 × 550 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e4.0-gallon internally painted tank\u003c\/li\u003e\n\u003cli\u003e1\/2 HP motor with aluminum pump housing and cooling fins\u003c\/li\u003e\n\u003cli\u003eIn-line coalescing filter (0.01 micron)\u003c\/li\u003e\n\u003cli\u003eAuto drain and waste bottle\u003c\/li\u003e\n\u003cli\u003ePressure regulator with built-in moisture trap\u003c\/li\u003e\n\u003cli\u003eAnalog line pressure gauge\u003c\/li\u003e\n\u003cli\u003eTank pressure gauge\u003c\/li\u003e\n\u003cli\u003eSafety valve\u003c\/li\u003e\n\u003cli\u003eAir intake filter\u003c\/li\u003e\n\u003cli\u003eCarrying handle\u003c\/li\u003e\n\u003cli\u003eAir compressor oil\u003c\/li\u003e\n\u003cli\u003e1-year factory warranty\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eMaintenance Tip:\u003c\/strong\u003e Super Silent compressors use a specially formulated hygroscopic oil that draws moisture from air during compression. Change the oil regularly — if it appears milky white, it has been left too long. Check and empty the moisture trap near the output regulator when full. After each use, release compressed air from the tank to prevent condensation buildup that can cause internal rust. These steps protect the pump, internal components, and tank from water damage.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43579931525334,"sku":"123.096","price":1591.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/super-silent-val-air-50-15al-air-compressor-12-hp-4-gallon-tank-otto-frei.jpg?v=1719958355"},{"product_id":"sil-air-100-24-super-silent-air-compressor-1hp-6-gallon","title":"Super Silent Sil-Air 100-24 Air Compressor Heavy Duty 1 HP-6 Gallon Tank","description":"\u003cp\u003eThe Sil-Air 100-24 is a heavy-duty super silent air compressor engineered for professional workshops with higher CFM demands. Powered by a pair of 1\/2 HP motors delivering 1 HP total, this unit produces 4.3 CFM (120 liters per minute) of free air delivery at a maximum 114 PSI (7.9 bar), all while operating at a whisper-quiet 42 dB. The large 6-gallon internally painted tank resists rust and provides ample air reserve for demanding bench work, engraving, and stonesetting applications. Rubber wheels make repositioning easy throughout the shop. Ships via truck freight only due to size and weight.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUltra-quiet 42 dB operation — ideal for professional studio and workshop environments\u003c\/li\u003e\n\u003cli\u003eDual 1\/2 HP motors provide 1 HP total power output\u003c\/li\u003e\n\u003cli\u003e4.3 CFM (120 L\/min) air delivery at maximum pressure\u003c\/li\u003e\n\u003cli\u003e6-gallon internally painted tank resists rust buildup\u003c\/li\u003e\n\u003cli\u003eInline pressure regulator with built-in moisture trap included\u003c\/li\u003e\n\u003cli\u003eTank pressure gauge and safety valve for reliable monitoring\u003c\/li\u003e\n\u003cli\u003eAir intake filter keeps compressor internals clean\u003c\/li\u003e\n\u003cli\u003eRubber wheels for easy shop mobility\u003c\/li\u003e\n\u003cli\u003eStandard 110V\/60Hz; optional 220V\/50Hz or 220V\/60Hz available by special order\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003ctd\u003e2 × 1\/2 HP (1 HP Total)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTank Capacity\u003c\/th\u003e\n\u003ctd\u003e6.0 gallons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCFM Rating\u003c\/th\u003e\n\u003ctd\u003e2.15 free air (60 L\/min); 4.3 CFM (120 L\/min) at max pressure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Pressure\u003c\/th\u003e\n\u003ctd\u003e84–114 PSI (5.8–7.9 bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNoise Level\u003c\/th\u003e\n\u003ctd\u003e42 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003ctd\u003e110V\/60Hz standard; 220V\/50Hz or 220V\/60Hz by special order\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e14\" D × 30\" W × 27\" H (355 mm × 760 mm × 685 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e100 lbs (46 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping Weight\u003c\/th\u003e\n\u003ctd\u003e150 lbs (68 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping Method\u003c\/th\u003e\n\u003ctd\u003eTruck freight only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003e1-year Sil-Air factory warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e6.0-gallon internally painted tank\u003c\/li\u003e\n\u003cli\u003eInline pressure regulator with built-in moisture trap\u003c\/li\u003e\n\u003cli\u003eTank pressure gauge\u003c\/li\u003e\n\u003cli\u003eSafety valve\u003c\/li\u003e\n\u003cli\u003eAir intake filter\u003c\/li\u003e\n\u003cli\u003eRubber wheels\u003c\/li\u003e\n\u003cli\u003eAir compressor oil\u003c\/li\u003e\n\u003cli\u003e1-year Sil-Air factory warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eMaintenance Tip:\u003c\/strong\u003e The Sil-Air 100-24 uses a specially formulated hygroscopic compressor oil that helps draw moisture from the air during compression. Change the oil regularly based on usage and shop humidity — if the oil appears milky white, it should be changed immediately. Check and empty the moisture trap at the output regulator when full. After each use, release compressed air from the tank to prevent condensation buildup, which can cause internal rust over time. These routine steps will protect the compressor's internal components and extend the life of the tank.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43579931951318,"sku":"123.093","price":2401.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/super-silent-sil-air-100-24-air-compressor-heavy-duty-1-hp-6-gallon-tank-otto-frei.jpg?v=1719958348"},{"product_id":"air-compressor-oil-24oz","title":"Air Compressor Oil 24oz","description":"\u003cp\u003eKeep your silent air compressor running smoothly with this specially formulated air compressor oil. Regular oil changes are essential for maintaining compressor performance and longevity—particularly in high-humidity environments where moisture can accelerate wear and degrade oil quality. This 24 oz bottle provides a convenient supply for routine maintenance.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSpecially formulated for use with silent air compressors\u003c\/li\u003e\n\u003cli\u003eRegular changes help extend compressor life and maintain performance\u003c\/li\u003e\n\u003cli\u003eEspecially important in high-humidity climates where moisture buildup is a concern\u003c\/li\u003e\n\u003cli\u003e24 oz bottle provides ample supply for multiple oil changes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eVolume\u003c\/th\u003e\n\u003ctd\u003e24 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43579932344534,"sku":"123.049","price":35.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/air-compressor-oil-24oz-otto-frei.jpg?v=1719958348"},{"product_id":"air-compressor-filter-regulator","title":"Air Compressor Filter Regulator","description":"\u003cp\u003eThe Air Compressor Filter Regulator is a filter\/regulator assembly designed for use with super silent air compressors. This unit comes standard on compatible super silent air compressor models and is also available as a replacement part for existing setups. Keep your compressed air system running cleanly and at consistent pressure with this purpose-built assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Gauge is sold separately.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFilter\/regulator assembly in a single unit\u003c\/li\u003e\n\u003cli\u003eComes standard on super silent air compressors\u003c\/li\u003e\n\u003cli\u003eAvailable as a replacement part\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003eThe gauge is sold separately and is not included with this assembly.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43579932508374,"sku":"123.094","price":95.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/air-compressor-filter-regulator-otto-frei.jpg?v=1719958348"},{"product_id":"air-compressor-coalescing-filter","title":"Air Compressor Coalescing Filter","description":"\u003cp\u003eAn Air Compressor Coalescing Filter removes fine moisture and contaminants from compressed air lines to help protect sensitive pneumatic equipment. Installed inline with your compressor output, it captures extremely small water droplets and oil mist that standard compressor filters may miss. This helps deliver cleaner, drier air for precision tools and equipment.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInline coalescing filter for compressed air systems\u003c\/li\u003e\n\u003cli\u003eRemoves fine moisture and contaminants from air supply\u003c\/li\u003e\n\u003cli\u003eHelps deliver cleaner, drier air to pneumatic tools\u003c\/li\u003e\n\u003cli\u003eRecommended for high-precision air-powered equipment\u003c\/li\u003e\n\u003cli\u003eImproves air quality beyond standard compressor moisture filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eFilter Type\u003c\/th\u003e\n\u003ctd\u003eCoalescing Air Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eCompressed Air Moisture Removal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eRecommended for high-precision pneumatic equipment such as the GRS GraverMach and GRS GraverMax SC.\u003c\/p\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eFor best performance, the filter reservoir should be emptied frequently to remove collected moisture.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43579932573910,"sku":"123.095","price":119.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/air-compressor-coalescing-filter-otto-frei-1.jpg?v=1719958348"},{"product_id":"oil-free-quiet-air-compressor-6-gallon-110v","title":"Oil Free Quiet Air Compressor-110V","description":"\u003cp\u003eThe Oil Free Quiet Air Compressor delivers reliable, consistent airflow for jewelers, engravers, and stonesetting work without the hassle of oil maintenance. With a \u003cstrong\u003e6-gallon tank capacity\u003c\/strong\u003e and a quiet \u003cstrong\u003e53 dB operating level\u003c\/strong\u003e, this 110V compressor offers a practical balance between affordability, low maintenance, and workshop-friendly sound levels.\u003c\/p\u003e\n\u003cp\u003eUnlike oil-lubricated models, this oil-less design eliminates the need for regular oil changes, reducing both upkeep time and long-term operating costs. At 53 decibels, it runs quieter than many standard compressors while remaining more affordable than dedicated silent models rated at 40 dB.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOil-free pump design requires less maintenance than oil-lubricated compressors\u003c\/li\u003e\n\u003cli\u003e53 dB operating sound level — quieter than standard compressors, more affordable than silent models\u003c\/li\u003e\n\u003cli\u003e6-gallon tank provides ample air storage for jewelers and engravers\u003c\/li\u003e\n\u003cli\u003eHigh airflow output suitable for air-powered engraving tools, handpieces, and stonesetting equipment\u003c\/li\u003e\n\u003cli\u003eCompact footprint for bench or floor placement in a professional workshop\u003c\/li\u003e\n\u003cli\u003e110V power — plugs into standard North American outlets\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eTank Capacity\u003c\/th\u003e\n\u003ctd\u003e6 gallons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003ctd\u003e600 watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003ctd\u003e110V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAirflow\u003c\/th\u003e\n\u003ctd\u003e118 liters per minute (4.2 CFM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum Pressure\u003c\/th\u003e\n\u003ctd\u003e8 bar (116 PSI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSound Level\u003c\/th\u003e\n\u003ctd\u003e53 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e16\" × 16\" × 21\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLubrication Type\u003c\/th\u003e\n\u003ctd\u003eOil-free\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43582289576150,"sku":"123.099","price":779.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/oil-free-quiet-air-compressor-110v-otto-frei.jpg?v=1719957120"},{"product_id":"arbe-oil-free-air-compressor-6-gal-1hp-4-2cfm-110v","title":"Arbe Compact 6 Gallon Oil-Free Quiet Air Compressor-110V","description":"\u003cp\u003eThe Arbe Compact 6 Gallon Oil-Free Quiet Air Compressor delivers clean, dry air with reduced noise and wear—ideal for jewelry benches, dental labs, and light medical applications. Powered by an oil-free dual-piston pump, this 110V unit operates maintenance-free, eliminating oil changes and minimizing service needs. Its compact footprint makes it easy to position under or beside a workbench without sacrificing workspace.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil-Free Dual-Piston Pump:\u003c\/strong\u003e Efficient air output with less wear and no oil changes required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6 Gallon Tank:\u003c\/strong\u003e Provides a stable, consistent air supply for continuous bench work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4.2 CFM Airflow:\u003c\/strong\u003e 118 L\/min output supports common pneumatic tools and equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUp to 116 PSI (8 bar):\u003c\/strong\u003e Wide pressure range accommodates a variety of pneumatic tasks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuiet Operation:\u003c\/strong\u003e Reduced noise output suited to shared workspaces and professional environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Footprint:\u003c\/strong\u003e 22\" W × 10\" D × 21\" H for easy bench-side or under-bench placement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance-Free Design:\u003c\/strong\u003e Oil-less construction minimizes ongoing service requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eTank Capacity\u003c\/th\u003e\n\u003ctd\u003e6 gal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMotor\u003c\/th\u003e\n\u003ctd\u003e1 HP (1400 RPM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAirflow\u003c\/th\u003e\n\u003ctd\u003e118 L\/min (4.2 CFM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax Pressure\u003c\/th\u003e\n\u003ctd\u003e8 bar (116 PSI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePump Type\u003c\/th\u003e\n\u003ctd\u003eOil-free, dual piston\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003ctd\u003e110 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e22\" W × 10\" D × 21\" H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUse appropriate filtration or moisture traps if required by your connected equipment.\u003c\/li\u003e\n\u003cli\u003eVerify the CFM and PSI requirements of all connected tools before use.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Arbe","offers":[{"title":"Default Title","offer_id":47244373786838,"sku":"123.097","price":565.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/123.097_thumb_fa8f9fec-d163-418e-a5f0-d9c9dd906325.jpg?v=1757371346"},{"product_id":"sil-air-50-24-air-compressor-0-5hp-6-gallon-tank","title":"Sil-Air 50-24 Air Compressor, 0.5HP, 110V\/60Hz\/1 Phase, 6-Gallon Tank","description":"\u003cp\u003eThe Sil-Air 50-24 Air Compressor is a quiet, oil-lubricated air compressor designed to provide clean, reliable compressed air for jewelry, watchmaking, laboratory, and light-duty workshop applications. Its 6-gallon tank and low-noise operation make it well suited for work environments where consistent airflow and reduced sound levels are important. The soft hum of operation helps maintain a focused and comfortable workspace.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOil-lubricated compressor designed for smooth, reliable performance\u003c\/li\u003e\n\u003cli\u003eLow-noise operation suitable for bench and studio environments\u003c\/li\u003e\n\u003cli\u003e6-gallon air tank helps maintain a steady supply of compressed air\u003c\/li\u003e\n\u003cli\u003eProvides clean compressed air for precision work applications\u003c\/li\u003e\n\u003cli\u003eCompact footprint for efficient use of workspace\u003c\/li\u003e\n\u003cli\u003eSingle-phase electrical configuration for standard shop power\u003c\/li\u003e\n\u003cli\u003eDurable construction designed for professional use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Power\u003c\/td\u003e\n\u003ctd\u003e0.5 HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e110 VAC, 60 Hz, Single Phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTank Capacity\u003c\/td\u003e\n\u003ctd\u003e6.0 gal (22.7 L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFree-Air Capacity\u003c\/td\u003e\n\u003ctd\u003e2.1 CFM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Pressure\u003c\/td\u003e\n\u003ctd\u003e116 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePort Size\u003c\/td\u003e\n\u003ctd\u003e1\/4 in (6.35 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNoise Level\u003c\/td\u003e\n\u003ctd\u003e40 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e17 x 17 x 25 in (432 x 432 x 635 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e69 lb (31.3 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for indoor use with a compatible compressed-air system.\u003c\/li\u003e\n\u003cli\u003eFollow all manufacturer instructions for operation and maintenance.\u003c\/li\u003e\n\u003cli\u003eAllow adequate ventilation around the compressor during use.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":48335161393366,"sku":"123.086","price":1599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/123.086_thumb_42b3987a-7cb4-40b0-8e95-4e9669e166e8.jpg?v=1780958030"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/collections\/super-silent-50-tc-air-compressor-12-hp-0-9-gallon-tank-otto-frei.jpg?v=1758915829","url":"https:\/\/www.ottofrei.com\/collections\/quiet-air-compressors-jewelry-engraving.oembed","provider":"Otto Frei","version":"1.0","type":"link"}